#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<unistd.h>
#define SIZE 1024
char pwd[1024];
int main()
{
  char* address;
  char * arr;
  fgets(arr,SIZE,stdin);
  chdir(address);
  char tmp[SIZE];
  getcwd(tmp,SIZE);
  snprintf(pwd,SIZE,"PWD=%s",tmp);
  putenv(pwd);


  return 0;
}
